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RETIREMENT AND POSTRETIREMENT PLANS (Tables) | 6 Months Ended
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Jun. 30, 2022
RETIREMENT AND POSTRETIREMENT PLANS |
Components of net periodic benefit (credit) cost included in other non-interest expense |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30,
​ | ​ | ​ | 2022 | ​ | 2021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | BNB Bank | ​ | Employee | ​ | BNB Bank | ​ | Employee
(In thousands) | ​ | Pension Plan | ​ | Retirement Plan | ​ | Pension Plan | ​ | Retirement Plan
Service cost | ​ | $ | 267 | ​ | $ | — | ​ | $ | 223 | ​ | $ | —
Interest cost | ​ | ​ | 195 | ​ | ​ | 155 | ​ | ​ | 303 | ​ | ​ | 183
Expected return on assets | ​ | ​ | (857) | ​ | ​ | (490) | ​ | ​ | (1,245) | ​ | ​ | (428)
Amortization of unrealized loss | ​ | ​ | — | ​ | ​ | 63 | ​ | ​ | 206 | ​ | ​ | 229
Net periodic credit | ​ | $ | (395) | ​ | $ | (272) | ​ | $ | (513) | ​ | $ | (16)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30,
​ | ​ | 2022 | ​ | 2021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | BNB Bank | ​ | Employee | ​ | BNB Bank | ​ | Employee
(In thousands) | ​ | Pension Plan | ​ | Retirement Plan | ​ | Pension Plan | ​ | Retirement Plan
Service cost | ​ | $ | 535 | ​ | $ | — | ​ | $ | 371 | ​ | $ | —
Interest cost | ​ | ​ | 390 | ​ | ​ | 310 | ​ | ​ | 552 | ​ | ​ | 366
Expected return on assets | ​ |  | (1,715) | ​ |  | (980) | ​ |  | (2,229) | ​ | ​ | (856)
Amortization of unrealized loss | ​ |  | — | ​ |  | 125 | ​ |  | 412 | ​ | ​ | 458
Net periodic credit | ​ | $ | (790) | ​ | $ | (545) | ​ | $ | (894) | ​ | $ | (32)
​

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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